Host

217.28.63.36

Tags: Expired certificate

As of our latest check on 2026-06-08, 217.28.63.36 (RETN Limited, AS28886, Latvia) had 2 open ports (80, 443) and no known CVEs.

Known CVEs on this host

2open ports
0names pointing here
0known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-08.

No known CVEs on this host.

Network
RETN Limited AS28886
Open ports
80, 443 · at our latest check, 2026-06-08
Location
Riga, LV-RIX · Latvia LV
Hostname
filecloud.retn.net · reverse DNS, checked 2026-10-05
Route
217.28.48.0/20 · announced by RETN Limited AS28886 RPKI valid
Organisation
RETN Limited
Registry network
OPTRON · 217.28.63.0 - 217.28.63.255 · RIPE
Abuse contact
[email protected] · for OPTRON
First seen
2026-06-08 06:40 UTC
Last seen alive
2026-06-08 06:41 UTC
Hosted domains
No host name points here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (2)

80/tcp HTTP first 2026-06-08 · last 2026-06-08
Status
302 Found
Raw response
HTTP/1.1 302 Found
Date: Mon, 08 Jun 2026 06:40:55 GMT
Server:  
Referrer-Policy: strict-origin-when-cross-origin
Permissions-Policy: geolocation=(self)
Cross-Origin-Embedder-Policy: unsafe-none
Cross-Origin-Resource-Policy: cross-origin
Cross-Origin-Opener-Policy: unsafe-none
Access-Control-Allow-Origin: https://ffol.filecloud.com
Location: /ui/core/index.html
Content-Security-Policy: default-src 'self' blob: *.live.com *.amazonaws.com *.core.windows.net www.google.com http://127.0.0.1:34320/v1/fileassociations *.autodesk.com;     connect-src 'self' *.amazonaws.com blob: data: http://127.0.0.1:34320/v1/fileassociations *.autodesk.com;     style-src 'unsafe-inline' 'self' *.autodesk.com;     script-src 'unsafe-inline' 'unsafe-eval' 'self' www.google.com www.gstatic.com  teams.microsoft.com *.teams.microsoft.com *.skype.com *.autodesk.com;     frame-src 'self' blob: www.google.com *.live.com docs.google.com accounts.google.com *.retn.net;     font
443/tcp TLS first 2026-06-08 · last 2026-06-08
TLS
TLSv1.2
Certificate for
filecloud.retn.net
Issued by
E8
Valid
2026-04-18 → 2026-07-17
Raw response
HTTP/1.1 400 Bad Request
Date: Mon, 08 Jun 2026 06:40:55 GMT
Server:  
Referrer-Policy: strict-origin-when-cross-origin
Permissions-Policy: geolocation=(self)
Cross-Origin-Embedder-Policy: unsafe-none
Cross-Origin-Resource-Policy: cross-origin
Cross-Origin-Opener-Policy: unsafe-none
Content-Length: 402
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
 Instead use the HTTPS scheme to access this URL, please.<br />
</p>
</body></html>

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.